![Het Steen is a medieval fortress in the old city centre of Antwerp. The surviving structure was built between 1200 and 1225 as a gateway to a larger c Stock Photo - Alamy Het Steen is a medieval fortress in the old city centre of Antwerp. The surviving structure was built between 1200 and 1225 as a gateway to a larger c Stock Photo - Alamy](https://c8.alamy.com/comp/2PMRDPB/het-steen-is-a-medieval-fortress-in-the-old-city-centre-of-antwerp-the-surviving-structure-was-built-between-1200-and-1225-as-a-gateway-to-a-larger-c-2PMRDPB.jpg)
Het Steen is a medieval fortress in the old city centre of Antwerp. The surviving structure was built between 1200 and 1225 as a gateway to a larger c Stock Photo - Alamy
![Patrice Besse - seminars - Belgique - A chateau-fortress with a one hundred hectare estatein the county of Namur, to the south of Brussels in Belgium Patrice Besse - seminars - Belgique - A chateau-fortress with a one hundred hectare estatein the county of Namur, to the south of Brussels in Belgium](https://www.patrice-besse.co.uk/photo-acquerir/24445/550x380/Capture%20decran%202023-02-16%20a%2013.02.41.jpg)
Patrice Besse - seminars - Belgique - A chateau-fortress with a one hundred hectare estatein the county of Namur, to the south of Brussels in Belgium
![Antwerp, Belgium. Het steen castle - medieval fortress by the river. Antwerp's oldest building (12th / 13thC Stock Photo - Alamy Antwerp, Belgium. Het steen castle - medieval fortress by the river. Antwerp's oldest building (12th / 13thC Stock Photo - Alamy](https://c8.alamy.com/comp/K34438/antwerp-belgium-het-steen-castle-medieval-fortress-by-the-river-antwerps-K34438.jpg)
Antwerp, Belgium. Het steen castle - medieval fortress by the river. Antwerp's oldest building (12th / 13thC Stock Photo - Alamy
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Fortress Mens Body Warmers Windproof Quilted Winter Warm Bodywarmer Big Sizes 2XL 3XL 4XL 4XL 6XL King Size Large Sizes Olive : Amazon.co.uk: Everything Else
![Patrice Besse - seminars - Belgique - A chateau-fortress with a one hundred hectare estatein the county of Namur, to the south of Brussels in Belgium Patrice Besse - seminars - Belgique - A chateau-fortress with a one hundred hectare estatein the county of Namur, to the south of Brussels in Belgium](https://www.patrice-besse.co.uk/photo-acquerir/24445/550x380/Capture%20decran%202023-02-16%20a%2013.03.07.jpg)
Patrice Besse - seminars - Belgique - A chateau-fortress with a one hundred hectare estatein the county of Namur, to the south of Brussels in Belgium
![Castle of the Counts next to river Lys in Ghent, Belgium. Famous fortress in Gent old town. Beautiful architecture and landmarks of the medieval city Stock Photo - Alamy Castle of the Counts next to river Lys in Ghent, Belgium. Famous fortress in Gent old town. Beautiful architecture and landmarks of the medieval city Stock Photo - Alamy](https://c8.alamy.com/comp/2AWKDTR/castle-of-the-counts-next-to-river-lys-in-ghent-belgium-famous-fortress-in-gent-old-town-beautiful-architecture-and-landmarks-of-the-medieval-city-2AWKDTR.jpg)